Familien komplexer räume zu gegebenen infinitesimalen deformationen |
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Authors: | Hans Kerner |
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Institution: | (1) Mathematisches Institut der Universität, Schellingstraße 2-8, 8000 München 13 |
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Abstract: | Let M be a domain in the complex plane, :X M a flat family of reduced complex spaces, (Xo, o) the fibre over a point O M, and xo the sheaf of (1,O)-forms over Xo. The family defines an element ![zeta](/content/ur54lm126x83h234/xxlarge950.gif) ![pgr](/content/ur54lm126x83h234/xxlarge960.gif) (Ext1 ( Xo, o))x for every point x X. We prove: If (Xo, o) is a normal complex space, x a point in Xo such that (Ext2 ( Xo, o))x=O, then for each infinitesimal deformation ![zeta](/content/ur54lm126x83h234/xxlarge950.gif) (Ext1 ( Xo, o))x there exists a flat reduced family with ![zeta](/content/ur54lm126x83h234/xxlarge950.gif) = . This statement is analogous to a result of KODAIRA-NIRENBERG-SPENCER in the theory of deformations of compact complex manifolds. |
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